Evolution of Gas Cell Targets for Magnetized Liner Inertial Fusion Experiments at the Sandia National Laboratories PECOS Test Facility
Abstract
Z-Beamlet (ZBL) experiments conducted at the PECOS test facility at Sandia National Laboratories (SNL) investigated the nonlinear processes in laser plasma interaction (or laserplasma instabilities LPI) that complicate the deposition of laser energy by enhanced absorption, backscatter, filamentation and beam-spray that can occur in large-scale laser-heated gas cell targets. These targets and experiments were designed to provide better insight into the physics of the laser preheat stage of the Magnetized Liner Inertial Fusion (MagLIF) scheme being tested on the SNL Z-machine. The experiments aim to understand the tradeoffs between laser spot size, laser pulse shape, laser entrance hole (LEH) window thickness, and fuel density for laser preheat. Gas cell target design evolution and fabrication adaptations to accommodate the evolving experiment and scientific requirements are also described in this paper.
- Authors:
-
- General Atomics, San Diego, CA (United States)
- Luxel Corp., Friday Harbor, WA (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); General Atomics, San Diego, CA (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE)
- OSTI Identifier:
- 1438486
- Grant/Contract Number:
- NA0001808
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Fusion Science and Technology
- Additional Journal Information:
- Journal Volume: 73; Journal Issue: 3; Journal ID: ISSN 1536-1055
- Publisher:
- American Nuclear Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 42 ENGINEERING; Gas cell targets; Z-beamlet; magnetized liner inertial fusion
Citation Formats
Paguio, R. R., Smith, G. E., Taylor, J. L., Tomlinson, K., Holt, R. R., Tatum, W. D., Farrell, M. P., Betcher, J., Harvey-Thompson, A., Geissel, M., Kellogg, J., and Peterson, K. Evolution of Gas Cell Targets for Magnetized Liner Inertial Fusion Experiments at the Sandia National Laboratories PECOS Test Facility. United States: N. p., 2017.
Web. doi:10.1080/15361055.2017.1387455.
Paguio, R. R., Smith, G. E., Taylor, J. L., Tomlinson, K., Holt, R. R., Tatum, W. D., Farrell, M. P., Betcher, J., Harvey-Thompson, A., Geissel, M., Kellogg, J., & Peterson, K. Evolution of Gas Cell Targets for Magnetized Liner Inertial Fusion Experiments at the Sandia National Laboratories PECOS Test Facility. United States. https://doi.org/10.1080/15361055.2017.1387455
Paguio, R. R., Smith, G. E., Taylor, J. L., Tomlinson, K., Holt, R. R., Tatum, W. D., Farrell, M. P., Betcher, J., Harvey-Thompson, A., Geissel, M., Kellogg, J., and Peterson, K. Mon .
"Evolution of Gas Cell Targets for Magnetized Liner Inertial Fusion Experiments at the Sandia National Laboratories PECOS Test Facility". United States. https://doi.org/10.1080/15361055.2017.1387455. https://www.osti.gov/servlets/purl/1438486.
@article{osti_1438486,
title = {Evolution of Gas Cell Targets for Magnetized Liner Inertial Fusion Experiments at the Sandia National Laboratories PECOS Test Facility},
author = {Paguio, R. R. and Smith, G. E. and Taylor, J. L. and Tomlinson, K. and Holt, R. R. and Tatum, W. D. and Farrell, M. P. and Betcher, J. and Harvey-Thompson, A. and Geissel, M. and Kellogg, J. and Peterson, K.},
abstractNote = {Z-Beamlet (ZBL) experiments conducted at the PECOS test facility at Sandia National Laboratories (SNL) investigated the nonlinear processes in laser plasma interaction (or laserplasma instabilities LPI) that complicate the deposition of laser energy by enhanced absorption, backscatter, filamentation and beam-spray that can occur in large-scale laser-heated gas cell targets. These targets and experiments were designed to provide better insight into the physics of the laser preheat stage of the Magnetized Liner Inertial Fusion (MagLIF) scheme being tested on the SNL Z-machine. The experiments aim to understand the tradeoffs between laser spot size, laser pulse shape, laser entrance hole (LEH) window thickness, and fuel density for laser preheat. Gas cell target design evolution and fabrication adaptations to accommodate the evolving experiment and scientific requirements are also described in this paper.},
doi = {10.1080/15361055.2017.1387455},
journal = {Fusion Science and Technology},
number = 3,
volume = 73,
place = {United States},
year = {Mon Dec 04 00:00:00 EST 2017},
month = {Mon Dec 04 00:00:00 EST 2017}
}
Web of Science
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Works referencing / citing this record:
Constraining preheat energy deposition in MagLIF experiments with multi-frame shadowgraphy
journal, March 2019
- Harvey-Thompson, A. J.; Geissel, M.; Jennings, C. A.
- Physics of Plasmas, Vol. 26, Issue 3